Heat Shock Protein 70 (68 kDa), IgG by Western Blot
0097338
Ordering Recommendation
Not recommended for evaluation of general hearing loss.
Mnemonic
68KD HSP
Methodology
Qualitative Western Blot
Performed
Thu
Reported
1-8 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Serum separator tube or plain red.  
Specimen Preparation
Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.1 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Specimens collected with anticoagulants or preservatives. Hemolyzed or lipemic specimens. Specimens with large clots or bacterial growth present.   
Remarks
  
Stability
Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year  
Reference Interval
Negative  
Interpretive Data
Western blot assay for HSP70 (68 kDa), IgG antibody may be utilized in predicting corticosteroid responsiveness in patients with idiopathic rapidly progressive sensorineural hearing loss. Indeterminate results should be repeated using a fresh specimen collected after 10-14 days. Other autoimmune diseases may also produce positive results.

See Compliance Statement B: www.aruplab.com/CS
Statement B: This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
 
Note
 
CPT Code(s)
84182
Components
Component Test Code*Component Chart Name
0097338Heat Shock Protein 70, IgG by WB
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • 68KD
  • Anticochlear
  • Heat Shock Protein
  • Heat Shock Protein 70
  • HSP 70 Ab